| Cottage Grove to Cascais | 4,130.68 mi (6,647.68 km) |
| Cottage Grove to Castelo Branco | 4,169.48 mi (6,710.13 km) |
| Cottage Grove to Castro Daire | 4,107.69 mi (6,610.69 km) |
| Cottage Grove to Celorico de Basto | 4,085.82 mi (6,575.48 km) |
| Cottage Grove to Chamusca | 4,145.54 mi (6,671.60 km) |
| Cottage Grove to Chaves | 4,094.28 mi (6,589.11 km) |
| Cottage Grove to Cinfaes | 4,091.24 mi (6,584.22 km) |
| Cottage Grove to Coimbra | 4,113.60 mi (6,620.20 km) |
| Cottage Grove to Condeixa-a-Nova | 4,114.28 mi (6,621.29 km) |
| Cottage Grove to Corroios | 4,145.79 mi (6,672.00 km) |
| Cottage Grove to Coruche | 4,159.40 mi (6,693.90 km) |
| Cottage Grove to Costa de Caparica | 4,140.86 mi (6,664.07 km) |
| Cottage Grove to Covilha | 4,150.79 mi (6,680.05 km) |
| Cottage Grove to Eiras | 4,112.60 mi (6,618.58 km) |
| Cottage Grove to Elvas | 4,223.06 mi (6,796.36 km) |
